Finding the Fourth Proportional to 8,255.98, 12,385.05 and 4,360.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,255.98 : 12,385.05 = 4,360.54 : x
2. Step 2: Convert to fraction form
   8,255.98/12,385.05 = 4,360.54/x
3. Step 3: Cross multiply
   8,255.98x = 12,385.05 × 4,360.54
4. Step 4: Simplify right side
   8,255.98x = 54,005,505.93
5. Step 5: Solve for x
   x = 54,005,505.93/8,255.98
6. Step 6: Final answer
   x = 6,541.38